CVE catalog

CVE-2026-58517

Improper neutralization of input terminators vulnerability in The Wikimedia Foundation Mediawiki - WikiLambda Extension allows Authentication Bypass. This issue affects Mediawiki - WikiLambda Extensi

[CVE catalog]

Severity
Critical · CVSS 9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Published
Source
[NVD] · [CVE record]
EPSS
0.33% · Oct 25, 2026

Improper neutralization of input terminators vulnerability in The Wikimedia Foundation Mediawiki - WikiLambda Extension allows Authentication Bypass. This issue affects Mediawiki - WikiLambda Extension: from * before 1.43.9,1.44.6,1.45.4.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
CpemediawikiNot reported1.43.9fixed
CpemediawikiNot reported1.44.6fixed
CpemediawikiNot reported1.45.4fixed
CpemediawikiNot reported1.45.4fixed

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
CpemediawikicpeNot reported1.43.9Not reportedNot reportedNot reported
CpemediawikicpeNot reported1.44.6Not reportedNot reportedNot reported
CpemediawikicpeNot reported1.45.4Not reportedNot reportedNot reported
CpemediawikicpeNot reported1.45.4Not reportedNVD-CVE-2026-58517Not reported

OpenFactory catalog packages

No matching packages in this catalog.

Observed:

References

[CERT-Bund public advisories] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [Red Hat security advisories and VEX]